FYI,

The run VM test is failing every few runs on the HE 4.0 system tests job [1],
engine & hosts logs can be found here [2]
Seems like engine is loosing connection to the DB?

This test isn't failing on the basic suite. 
2016-08-13 20:18:01,488 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.TimeBoundPollVDSCommand] (org.ovirt.thread.pool-8-thread-1) [7e13fc89] Error: org.ovirt.engine.core.vdsbroker.xmlrpc.XmlRpcRunTimeException: Connection issues during send request
2016-08-13 20:18:01,488 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.TimeBoundPollVDSCommand] (org.ovirt.thread.pool-8-thread-1) [7e13fc89] Exception: java.util.concurrent.ExecutionException: org.ovirt.engine.core.vdsbroker.xmlrpc.XmlRpcRunTimeException: Connection issues during send request
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) [rt.jar:1.8.0_101]
	at java.util.concurrent.FutureTask.get(FutureTask.java:206) [rt.jar:1.8.0_101]
	at org.ovirt.engine.core.vdsbroker.vdsbroker.FutureVDSCommand.get(FutureVDSCommand.java:68) [vdsbroker.jar:]
	at org.ovirt.engine.core.bll.transport.ProtocolDetector.attemptConnection(ProtocolDetector.java:74) [bll.jar:]
	at org.ovirt.engine.core.bll.hostdeploy.InstallVdsInternalCommand.installHost(InstallVdsInternalCommand.java:190) [bll.jar:]
	at org.ovirt.engine.core.bll.hostdeploy.InstallVdsInternalCommand.executeCommand(InstallVdsInternalCommand.java:90) [bll.jar:]
	at org.ovirt.engine.core.bll.CommandBase.executeWithoutTransaction(CommandBase.java:1301) [bll.jar:]
	at org.ovirt.engine.core.bll.CommandBase.executeActionInTransactionScope(CommandBase.java:1443) [bll.jar:]
	at org.ovirt.engine.core.bll.CommandBase.runInTransaction(CommandBase.java:2071) [bll.jar:]
	at org.ovirt.engine.core.utils.transaction.TransactionSupport.executeInSuppressed(TransactionSupport.java:166) [utils.jar:]
	at org.ovirt.engine.core.utils.transaction.TransactionSupport.executeInScope(TransactionSupport.java:105) [utils.jar:]
	at org.ovirt.engine.core.bll.CommandBase.execute(CommandBase.java:1486) [bll.jar:]
	at org.ovirt.engine.core.bll.CommandBase.executeAction(CommandBase.java:398) [bll.jar:]
	at org.ovirt.engine.core.bll.Backend.runAction(Backend.java:493) [bll.jar:]
	at org.ovirt.engine.core.bll.Backend.runActionImpl(Backend.java:475) [bll.jar:]
	at org.ovirt.engine.core.bll.Backend.runInternalAction(Backend.java:670) [bll.jar:]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_101]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_101]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_101]
	at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_101]
	at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437)
	at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.delegateInterception(Jsr299BindingsInterceptor.java:70) [wildfly-weld-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:80) [wildfly-weld-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:93) [wildfly-weld-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:63)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) [wildfly-ejb3-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437)
	at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) [weld-core-impl-2.3.2.Final.jar:2.3.2.Final]
	at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) [wildfly-weld-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) [wildfly-ee-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
	at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) [wildfly-ejb3-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInNoTx(CMTTxInterceptor.java:263) [wildfly-ejb3-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.supports(CMTTxInterceptor.java:374) [wildfly-ejb3-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:243) [wildfly-ejb3-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) [wildfly-ejb3-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.component.invocationmetrics.WaitTimeInterceptor.processInvocation(WaitTimeInterceptor.java:43) [wildfly-ejb3-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) [wildfly-ejb3-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) [wildfly-ejb3-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:66) [wildfly-ejb3-10.0.0.Final.jar:10.0.0.Final]
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356)
	at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636)
	at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356)
	at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
	at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:195)
	at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:185)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
	at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:73)
	at org.ovirt.engine.core.bll.interfaces.BackendInternal$$$view4.runInternalAction(Unknown Source) [bll.jar:]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_101]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_101]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_101]
	at java.lang.reflect.Method.invoke(Method.java:498) [rt.jar:1.8.0_101]
	at org.jboss.weld.util.reflection.Reflections.invokeAndUnwrap(Reflections.java:436) [weld-core-impl-2.3.2.Final.jar:2.3.2.Final]
	at org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:127) [weld-core-impl-2.3.2.Final.jar:2.3.2.Final]
	at org.jboss.weld.bean.proxy.EnterpriseTargetBeanInstance.invoke(EnterpriseTargetBeanInstance.java:56) [weld-core-impl-2.3.2.Final.jar:2.3.2.Final]
	at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:100) [weld-core-impl-2.3.2.Final.jar:2.3.2.Final]
	at org.ovirt.engine.core.bll.BackendCommandObjectsHandler$BackendInternal$BackendLocal$2049259618$Proxy$_$$_Weld$EnterpriseProxy$.runInternalAction(Unknown Source) [bll.jar:]
	at org.ovirt.engine.core.bll.CommandBase.runInternalAction(CommandBase.java:2467) [bll.jar:]
	at org.ovirt.engine.core.bll.hostdeploy.AddVdsCommand.lambda$executeCommand$2(AddVdsCommand.java:207) [bll.jar:]
	at org.ovirt.engine.core.utils.threadpool.ThreadPoolUtil$InternalWrapperRunnable.run(ThreadPoolUtil.java:92) [utils.jar:]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [rt.jar:1.8.0_101]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_101]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_101]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_101]
	at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_101]
Caused by: org.ovirt.engine.core.vdsbroker.xmlrpc.XmlRpcRunTimeException: Connection issues during send request
	at org.ovirt.engine.core.vdsbroker.jsonrpc.FutureMap.<init>(FutureMap.java:95) [vdsbroker.jar:]
	at org.ovirt.engine.core.vdsbroker.jsonrpc.JsonRpcVdsServer.lambda$timeBoundPoll$2(JsonRpcVdsServer.java:972) [vdsbroker.jar:]
	at org.ovirt.engine.core.vdsbroker.jsonrpc.JsonRpcVdsServer$FutureCallable.call(JsonRpcVdsServer.java:458) [vdsbroker.jar:]
	at org.ovirt.engine.core.vdsbroker.jsonrpc.JsonRpcVdsServer$FutureCallable.call(JsonRpcVdsServer.java:447) [vdsbroker.jar:]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_101]
	... 5 more
Caused by: org.ovirt.vdsm.jsonrpc.client.ClientConnectionException: Connection failed
	at org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient.connect(ReactorClient.java:165) [vdsm-jsonrpc-java-client.jar:]
	at org.ovirt.vdsm.jsonrpc.client.JsonRpcClient.getClient(JsonRpcClient.java:134) [vdsm-jsonrpc-java-client.jar:]
	at org.ovirt.vdsm.jsonrpc.client.JsonRpcClient.call(JsonRpcClient.java:81) [vdsm-jsonrpc-java-client.jar:]
	at org.ovirt.engine.core.vdsbroker.jsonrpc.FutureMap.<init>(FutureMap.java:91) [vdsbroker.jar:]
	... 9 more

2016-08-13 20:18:01,579 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.TimeBoundPollVDSCommand] (org.ovirt.thread.pool-8-thread-1) [7e13fc89]
\ Command 'TimeBoundPollVDSCommand(HostName = lago_he_basic_suite_4_0_host0, TimeBoundPollVDSCommandParameters:{runAsync='true', hostId='a37975a5-9202-4e08-9eed-a2bd0f41db42'})'
\ execution failed: java.util.concurrent.ExecutionException: org.ovirt.engine.core.vdsbroker.xmlrpc.XmlRpcRunTimeException: Connection issues during send request


[1] http://jenkins.ovirt.org/job/ovirt_4.0_he-system-tests/139/
[2] http://jenkins.ovirt.org/job/ovirt_4.0_he-system-tests/139/artifact/exported-artifacts/test_logs/he_basic_suite_4.0/post-004_basic_sanity.py/

--
Eyal Edri
Associate Manager
RHV DevOps
EMEA ENG Virtualization R&D
Red Hat Israel

phone: +972-9-7692018
irc: eedri (on #tlv #rhev-dev #rhev-integ)